package com.heima.user.service.Impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {

    @Override
    public ResponseResult login(LoginDto loginDto) {
        //1. 正常登录(手机号+密码)
        if (StringUtils.isNotBlank(loginDto.getPassword()) && StringUtils.isNotEmpty(loginDto.getPhone())) {
            //1.1查询用户
            ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, loginDto.getPhone()));
            if (apUser == null) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR,"用户不存在");
            }
            //1.2比对密码
            String salt = apUser.getSalt();
            String password = loginDto.getPassword();
            password = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if (!password.equals(apUser.getPassword())) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3 返回数据 jwt
            Map<String,Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
//            apUser.setPassword("").setSalt("");
            map.put("user",apUser);
            return ResponseResult.okResult(map);
        } else {
            //2.游客 同样返回token id=0
            Map<String,Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0l));
            return ResponseResult.okResult(map);
        }

    }
}
